Bring a black umbrella. If you don’t have a black umbrella, wear all black.

12:11 pm: Casually converge on the BP Pedestrian Bridge

12:20 pm: When the whistle blows, we will generate a visual representation of the oil slick seen from above by filling the entire walkway of the BP bridge. Starting from the middle of the bridge over Columbus Drive, open your umbrella and squat or sit down, covering as much space with your umbrella or body as possible. Sit close enough to the people around you to create a canopy of umbrellas and bodies.